梁女士，29岁，已婚3年，口服短效避孕药避孕，现计划怀孕，建议孕前应停服避孕药（）
A.2个月
B.3个月
C.4个月
D.5个月
E.6个月
参考答案：E
Do you still remember the key points that ___________ in his report? I don’t remember them all.
A．referred to
B．were referred
C．he was referred to
D．were referred to
槟榔的适应证是（）
A.虫积
B.食积
C.水肿
D.疟疾
E.腹泻
